diff options
Diffstat (limited to 'compiler/rustc_hir_analysis/src/outlives/utils.rs')
| -rw-r--r-- | compiler/rustc_hir_analysis/src/outlives/utils.rs | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/compiler/rustc_hir_analysis/src/outlives/utils.rs b/compiler/rustc_hir_analysis/src/outlives/utils.rs index a6410c944..8077acea5 100644 --- a/compiler/rustc_hir_analysis/src/outlives/utils.rs +++ b/compiler/rustc_hir_analysis/src/outlives/utils.rs @@ -80,6 +80,10 @@ pub(crate) fn insert_outlives_predicate<'tcx>( .or_insert(span); } + Component::Placeholder(_) => { + span_bug!(span, "Should not deduce placeholder outlives component"); + } + Component::Alias(alias_ty) => { // This would either arise from something like: // @@ -146,11 +150,11 @@ fn is_free_region(region: Region<'_>) -> bool { // These correspond to `T: 'a` relationships: // // struct Foo<'a, T> { - // field: &'a T, // this would generate a ReEarlyBound referencing `'a` + // field: &'a T, // this would generate a ReEarlyParam referencing `'a` // } // // We care about these, so fall through. - ty::ReEarlyBound(_) => true, + ty::ReEarlyParam(_) => true, // These correspond to `T: 'static` relationships which can be // rather surprising. @@ -167,13 +171,13 @@ fn is_free_region(region: Region<'_>) -> bool { // } // // The type above might generate a `T: 'b` bound, but we can - // ignore it. We can't put it on the struct header anyway. - ty::ReLateBound(..) => false, + // ignore it. We can't name this lifetime pn the struct header anyway. + ty::ReBound(..) => false, ty::ReError(_) => false, // These regions don't appear in types from type declarations: - ty::ReErased | ty::ReVar(..) | ty::RePlaceholder(..) | ty::ReFree(..) => { + ty::ReErased | ty::ReVar(..) | ty::RePlaceholder(..) | ty::ReLateParam(..) => { bug!("unexpected region in outlives inference: {:?}", region); } } |